#include <stdio.h>
#include "esp_log.h"
#include "esp_system.h"
#include "freertos/FreeRTOS.h"
#include "freertos/event_groups.h"
#include "lvgl.h"
#include "lvgl_helpers.h"

#include "demos/lv_demos.h"


#define TAG "main"


void lv_tick_task(void *arg)
{
    lv_tick_inc(1);
}

void app_main(void)
{
    
    /* Initialize SPI or I2C bus used by the drivers */
    lvgl_driver_init();

    lv_init();
    lv_color_t *buf1 = heap_caps_malloc(DISP_BUF_SIZE * sizeof(lv_color_t), MALLOC_CAP_DMA);
    assert(buf1 != NULL);
    static lv_color_t *buf2 = NULL;

    static lv_disp_draw_buf_t disp_buf;

    uint32_t size_in_px = DISP_BUF_SIZE;
    lv_disp_draw_buf_init(&disp_buf, buf1, buf2, size_in_px);
    lv_disp_drv_t disp_drv;
    lv_disp_drv_init(&disp_drv);
    disp_drv.hor_res = LV_HOR_RES_MAX;
    disp_drv.ver_res = LV_VER_RES_MAX;
    disp_drv.flush_cb = disp_driver_flush;
    disp_drv.draw_buf = &disp_buf;
    lv_disp_drv_register(&disp_drv);

    const esp_timer_create_args_t periodic_timer_args = {
        .callback = &lv_tick_task,
        .name = "periodic_gui"};
    esp_timer_handle_t periodic_timer;
    ESP_ERROR_CHECK(esp_timer_create(&periodic_timer_args, &periodic_timer));
    ESP_ERROR_CHECK(esp_timer_start_periodic(periodic_timer, 1 * 1000));

    // lvgl demo演示
    lv_demo_music();
    // lv_demo_stress();
   
    while (1)
    {
        /* Delay 1 tick (assumes FreeRTOS tick is 10ms */
        vTaskDelay(pdMS_TO_TICKS(10));
        lv_task_handler();
    }


}